/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: yang
 * Date: 2022-09-20
 * Time: 15:57
 */
public class ABCOrder {
    public static void main(String[] args) throws InterruptedException {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Object locker3 = new Object();
        Thread t1 = new Thread(()->{
            for (int i = 0; i < 10; i++) {
                System.out.print('A');
                synchronized (locker2){
                    locker2.notify();
                }
                synchronized (locker1){
                    try {
                        locker1.wait();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
            }

        },"a");

        Thread t2 = new Thread(()->{

            for (int i = 0; i < 10; i++) {
                synchronized (locker2){
                    try {
                        locker2.wait();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }

                System.out.print('B');
                synchronized (locker3){
                    locker3.notify();
                }
            }

        });

        Thread t3 = new Thread(()->{

            for (int i = 0; i < 10; i++) {
                synchronized (locker3){
                    try {
                        locker3.wait();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }

                System.out.println('C');
                synchronized (locker1){
                    locker1.notify();
                }
            }


        });

        t1.start();
        t2.start();
        t3.start();

        Thread.sleep(1000);

    }
}
